<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <title>比较最大值</title>
</head>
<body>
  <script>
        function getMax(n1, n2) {
           n1 = n1 || 0;
           n2 = n2 || 0;
           if (n1 > n2) {
               return n1;
           }else{
               return n2;
           }
          return n1 > n2 ? n1 : n2;
        }
        console.log('6.98和6.99相比')
        console.log(getMax(6.98,6.99)+'最大');
       function getMax1(a,b,c) {
           return (a > b ? a : b) > c ? (a > b ? a : b) : c;
       }
       console.log('40、70、10相比')
       console.log(getMax1(40,70,10)+'最大'); 
    </script>
</body>
</html>